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86 lines
2.7 KiB
86 lines
2.7 KiB
/* |
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* yuv2rgb_mlib.c, Software YUV to RGB coverter using mediaLib |
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* |
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* Copyright (C) 2000, Håkan Hjort <d95hjort@dtek.chalmers.se> |
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* All Rights Reserved. |
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* |
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* This file is part of mpeg2dec, a free MPEG-2 video decoder |
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* |
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* mpeg2dec is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2, or (at your option) |
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* any later version. |
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* |
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* mpeg2dec is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with mpeg2dec; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include <mlib_types.h> |
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#include <mlib_status.h> |
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#include <mlib_sys.h> |
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#include <mlib_video.h> |
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#include <inttypes.h> |
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#include <stdlib.h> |
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#include <assert.h> |
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#include "swscale.h" |
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static int mlib_YUV2ARGB420_32(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
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int srcSliceH, uint8_t* dst[], int dstStride[]){ |
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if(c->srcFormat == PIX_FMT_YUV422P){ |
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srcStride[1] *= 2; |
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srcStride[2] *= 2; |
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} |
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assert(srcStride[1] == srcStride[2]); |
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mlib_VideoColorYUV2ARGB420(dst[0]+srcSliceY*dstStride[0], src[0], src[1], src[2], c->dstW, |
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srcSliceH, dstStride[0], srcStride[0], srcStride[1]); |
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return srcSliceH; |
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} |
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static int mlib_YUV2ABGR420_32(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
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int srcSliceH, uint8_t* dst[], int dstStride[]){ |
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if(c->srcFormat == PIX_FMT_YUV422P){ |
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srcStride[1] *= 2; |
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srcStride[2] *= 2; |
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} |
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assert(srcStride[1] == srcStride[2]); |
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mlib_VideoColorYUV2ABGR420(dst[0]+srcSliceY*dstStride[0], src[0], src[1], src[2], c->dstW, |
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srcSliceH, dstStride[0], srcStride[0], srcStride[1]); |
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return srcSliceH; |
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} |
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static int mlib_YUV2RGB420_24(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
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int srcSliceH, uint8_t* dst[], int dstStride[]){ |
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if(c->srcFormat == PIX_FMT_YUV422P){ |
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srcStride[1] *= 2; |
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srcStride[2] *= 2; |
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} |
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assert(srcStride[1] == srcStride[2]); |
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mlib_VideoColorYUV2RGB420(dst[0]+srcSliceY*dstStride[0], src[0], src[1], src[2], c->dstW, |
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srcSliceH, dstStride[0], srcStride[0], srcStride[1]); |
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return srcSliceH; |
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} |
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SwsFunc yuv2rgb_init_mlib(SwsContext *c) |
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{ |
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switch(c->dstFormat){ |
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case PIX_FMT_RGB24: return mlib_YUV2RGB420_24; |
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case PIX_FMT_BGR32: return mlib_YUV2ARGB420_32; |
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case PIX_FMT_RGB32: return mlib_YUV2ABGR420_32; |
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default: return NULL; |
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} |
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} |
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